National Weather Service United States Department of Commerce

Storm system to bring winter weather from the Plains to New England through Monday

A storm system spinning over the central U.S. will set the stage for a widespread precipitation event across the central and eastern U.S. through Monday. A wide swath of accumulating snow will extend from Nebraska to New England. Just to the south of this area of snow, marginal temps will lead to the possibility of a transition zone of sleet and freezing rain.
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Hazardous Weather Conditions

Current Conditions

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Potosi MO

7 Day Forecast

For More Weather Information:

Saint Louis, MO Local Forecast Office

Today

Rain Chance for Measurable Precipitation 100%

Rain

High: 45 °F

Tonight

Chance Rain/Snow Chance for Measurable Precipitation 30%

Chance
Rain/Snow

Low: 17 °F

Monday

Decreasing Clouds

Decreasing
Clouds

High: 31 °F

Monday
Night

Mostly Cloudy

Mostly
Cloudy

Low: 24 °F

Tuesday

Sunny

Sunny

High: 47 °F

Tuesday
Night

Partly Cloudy

Partly
Cloudy

Low: 31 °F

Wednesday

Partly Sunny

Partly
Sunny

High: 40 °F

Wednesday
Night

Chance Snow Chance for Measurable Precipitation 30%

Chance
Snow

Low: 17 °F

Thursday

Slight Chance Snow Chance for Measurable Precipitation 20%

Slight Chc
Snow

High: 27 °F

Detailed Forecast

  • Today Rain, mainly before noon. High near 45. South wind 6 to 15 mph becoming west in the afternoon. Chance of precipitation is 100%.
  • Tonight A chance of rain and snow before 9pm, then a chance of snow between 9pm and midnight. Cloudy, with a low around 17. Northwest wind 14 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 30%.
  • Monday Cloudy, then gradually becoming mostly sunny, with a high near 31. Northwest wind 9 to 14 mph becoming light and variable in the afternoon. Winds could gust as high as 21 mph.
  • Monday Night Mostly cloudy, with a low around 24. Calm wind becoming south 5 to 7 mph after midnight.
  • Tuesday Sunny, with a high near 47. South wind around 8 mph.
  • Tuesday Night Partly cloudy, with a low around 31.
  • Wednesday Partly sunny, with a high near 40.
  • Wednesday Night A 30 percent chance of snow. Mostly cloudy, with a low around 17.
  • Thursday A 20 percent chance of snow. Partly sunny, with a high near 27.
  • Thursday Night Partly cloudy, with a low around 16.
  • Friday Mostly sunny, with a high near 41.
  • Friday Night Partly cloudy, with a low around 28.
  • Saturday Mostly sunny, with a high near 49.